2P1R:
reference: Characterization of Salmonella typhimurium YegS, a putative lipid kinase homologous to eukaryotic sphingosine and diacylglycerol kinases., Nichols CE, Lamb HK, Lockyer M, Charles IG, Pyne S, Hawkins AR, Stammers DK, Proteins. 2007 Jul 1;68(1):13-25. PMID: 17393457

This OCA Structure page
uses Jmol, developed by the Jmol Development Team (documentation).